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How can I sharpen an image in OpenCV?

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Rename an environment with virtualenvwrapper

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css rotate a pseudo :after or :before content:“”

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How do you handle multiple submit buttons in ASP.NET MVC Framework?

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How are feature_importances in RandomForestClassifier determined?

...ication task with a time-series as the data input, where each attribute (n=23) represents a specific point in time. Besides the absolute classification result I would like to find out, which attributes/dates contribute to the result to what extent. Therefore I am just using the feature_importances_...
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack

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Disabled input text color

... 236 -webkit-text-fill-color: #880000; opacity: 1; /* required on iOS */ ...
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How can I switch my signed in user in Visual Studio 2013?

A new feature of Visual Studio 2013 is the ability to sign in with a Microsoft Account and have your settings be persisted across all of your instances of Visual Studio, amongst other things. ...
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What is the best way to paginate results in SQL Server

What is the best way (performance wise) to paginate results in SQL Server 2000, 2005, 2008, 2012 if you also want to get the total number of results (before paginating)? ...
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How to write trycatch in R

...DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">" [2] "<html><head><title>R: Functions to Manipulate Connections</title>" [3] "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">" [4] "<link rel=\"stylesheet\" type=\"...